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Finding the Fourth Proportional to 222,679.44, 333,884.52 and 87,581.70

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Solution

The fourth proportional to 222,679.44, 333,884.52 and 87,581.70 is: 131,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,679.44 : 333,884.52 = 87,581.70 : x
  2. Step 2: Convert to fraction form
    222,679.44/333,884.52 = 87,581.70/x
  3. Step 3: Cross multiply
    222,679.44x = 333,884.52 × 87,581.70
  4. Step 4: Simplify right side
    222,679.44x = 29,242,173,865.28
  5. Step 5: Solve for x
    x = 29,242,173,865.28/222,679.44
  6. Step 6: Final answer
    x = 131,319.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.